The poisoning of former double agent Sergei V. Skripal in the UK indicates that Russia may have abandoned some unspoken rules of espionage. CIA veteran Jack Devine examines the history and current state of spy-craft.

Obasanjo’s statement is significant for its apparently clear-eyed assessment of the current state of Nigerian governance, as well as its harsh criticism of his successors, Goodluck Jonathan and Muhammadu Buhari. It is also indicative of the widespread reassessment of Nigeria’s political institutions now underway across the country.